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<br />. <br /> <br />maximum day and fire flow requirements. Conduits, which are pipes greater than 24 <br />inches in diameter, may be sized for maximum day or maximum hour, depending on the <br />IQcation and size of the area served. Treated water stored within the distribution system <br />for meeting peak demand is used to span the difference between maximum day and <br />maximum hour demands. <br /> <br />. <br /> <br />Major facilities include a "backbone" system of conduits, pumping and storage facilities <br />as listed below in Table III-2. The term "backbone" denotes those facilities for which <br />system development charges (SDCs) are assessed; these facilities, which include <br />treatment plants, are used by the entire system. There are additional conduits, pumping <br />and storage facilities not included in Table III-2 which are also essential components of <br />the transmission and distribution system, but are not financed with SDCs. <br /> <br />Table III-2 <br />Backbone System <br /> <br />Conduit # <br /> <br />10 <br />12 <br />13 <br />17 <br />18 <br />19 <br />21 <br />25 <br />27 <br />28 <br />29 <br />30 <br />57 <br /> <br />Reservoirs <br /> <br />58 56th Avenue <br />59 Capitol Hill <br />75fI Ashland <br />82 Moffat <br />85 Marston <br />87 Foothills <br />94 Hillcrest <br />96 Highlands I and 2 <br />108 Kendrick <br />109 <br />116 <br />133 <br /> <br />. <br /> <br />. <br /> <br />Pump Stations <br /> <br />. <br /> <br />56th Avenue <br />Capitol Hill <br />Moffat <br />Marston <br />Foothills <br />Hillcrest <br />Highlands <br />Einfeldt <br />Kendrick <br />Cherry Hills <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />Sizing of the smaller 6-inch and 8-inch pipes, in the distribution system is usually <br />determined by maximum day demands and fire flow requirements. Fire flow needs are <br />determined by whichever Fire Department has jurisdiction, usually with guidance from <br />the Uniform Fire Code. In general, fire flows in single-family residential areas are about <br />1,500 gallons per minute (gpm), with hydrant spacing up to 500 feet apart. Fire flows in <br />multifamily or commercial areas may rise to 3,500 gpm or more. The treated water <br />system is also designed for certain service level standards such as looping, minimum and <br />maximum pressures, and pressure fluctuations. "Looping" in the system ensures that <br />virtually every part of the Denver distribution system can be served from two points. This <br />means rninirnal or no loss of service from a main break. Numerous Denver Water programs <br />help maintain the water and the delivery system ilt high standards. These programs include <br /> <br />22 <br /> <br />. <br /> <br />. <br /> <br />. <br />